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151315023 = 31131992243
BaseRepresentation
bin10010000010011…
…10001001001111
3101112201121012010
421001032021033
5302214040043
623003112303
73515104446
oct1101161117
9345647163
10151315023
1178460242
1242812693
132546c622
141614bd5d
15d43e133
hex904e24f

151315023 has 16 divisors (see below), whose sum is σ = 204652800. Its totient is φ = 99437184.

The previous prime is 151315009. The next prime is 151315027. The reversal of 151315023 is 320513151.

It is not a de Polignac number, because 151315023 - 24 = 151315007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151315027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66340 + ... + 68582.

It is an arithmetic number, because the mean of its divisors is an integer number (12790800).

Almost surely, 2151315023 is an apocalyptic number.

151315023 is a deficient number, since it is larger than the sum of its proper divisors (53337777).

151315023 is a wasteful number, since it uses less digits than its factorization.

151315023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 151315023 is about 12301.0171530650. The cubic root of 151315023 is about 532.8774585788.

Adding to 151315023 its reverse (320513151), we get a palindrome (471828174).

The spelling of 151315023 in words is "one hundred fifty-one million, three hundred fifteen thousand, twenty-three".

Divisors: 1 3 113 199 339 597 2243 6729 22487 67461 253459 446357 760377 1339071 50438341 151315023